Cognomen Mtsm (متصم , Mtsm ) , all around the world, is an extremely rare family name. Much more frequently, Mtsm is the forename as well as the last name.
مطسم, مطصم, มตสม, and ムツム
Jarosz, and Ziemba
, Mtsm 
) , all around the world, is an extremely rare family name. Much more frequently, Mtsm is the forename as well as the last name.